COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: Magnetic fields on the proto-stellar and PPNe water masers (W43A) Exp. Code: BV056A Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: Wouter Vlemmings Address: 524 Space Sciences Building Cornell University Ithaca, NY 14853-6801 U.S.A. Phone: +1-607-255-0612 EMAIL: wouter@astro.cornell.edu Fax: +1-607-255-3433 Phone during observation: Observing mode: VLBA Notes: Make sure Pulse CAl is Off Schedule for VLBA_NL (Code Nl ) Page 2 Magnetic fields on the proto-stellar and PPNe water masers (W43A) UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 8 Dec 2004 Day 343 --- Next scan frequencies: 22225.39 22225.39 22226.21 22226.21 22238.19 22238.19 22239.00 22239.00 Next BBC frequencies: 725.39 725.39 726.21 726.21 738.19 738.19 739.00 739.00 Next scan bandwidths: 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 17 03 19 3C345 16 08 11 83.1 103.7 -0.6 -70.6 0 1 1 0 17 03 19 17 12 17 --- 16 17 11 84.7 109.7 -0.4 -66.0 538 F 1 1794 17 14 17 J1743-0350 16 19 11 40.5 151.6 -1.4 -20.8 25 1 1 1794 17 14 17 17 23 16 =1741-038 16 28 11 41.2 154.4 -1.3 -18.8 538 F 1 3588 17 25 16 W43A 16 30 11 36.5 135.3 -2.3 -31.6 101 1 1 3588 17 25 16 17 34 14 --- 16 39 11 37.6 137.8 -2.1 -30.1 538 F 1 5382 17 34 14 W43A 16 39 11 37.6 137.8 -2.1 -30.1 -4 1 1 5382 17 34 14 17 45 12 --- 16 50 11 39.0 140.8 -2.0 -28.1 654 F 1 7576 17 45 12 W43A 16 50 11 39.0 140.8 -2.0 -28.1 -4 1 1 7576 17 45 12 17 56 10 --- 17 01 11 40.2 144.0 -1.8 -26.0 654 F 1 9770 17 58 10 J1743-0350 17 03 11 43.4 165.8 -0.7 -10.5 99 1 1 9770 17 58 10 18 07 08 =1741-038 17 12 11 43.8 168.9 -0.5 -8.3 538 F 1 11564 18 09 08 W43A 17 14 11 41.6 147.9 -1.6 -23.4 100 1 1 11564 18 09 08 18 18 07 --- 17 23 11 42.4 150.7 -1.4 -21.4 538 F 1 13358 18 18 07 W43A 17 23 11 42.4 150.7 -1.4 -21.4 -4 1 1 13358 18 18 07 18 29 05 --- 17 34 11 43.4 154.2 -1.2 -18.9 654 F 1 15552 18 29 05 W43A 17 34 11 43.4 154.2 -1.2 -18.9 -4 1 2 15552 18 29 05 18 40 03 --- 17 45 11 44.2 157.9 -1.0 -16.3 654 R 1 17454 18 42 03 J1743-0350 17 47 11 44.4 181.0 0.0 0.8 99 1 2 17454 18 42 03 18 51 01 =1741-038 17 56 11 44.3 184.2 0.2 3.1 538 R 1 15660 18 53 01 W43A 17 58 11 45.0 162.3 -0.8 -13.1 99 1 2 15660 18 53 01 19 01 59 --- 18 07 11 45.5 165.4 -0.7 -10.8 538 R 1 13866 19 01 59 W43A 18 07 11 45.5 165.4 -0.7 -10.8 -4 1 2 13866 19 01 59 19 12 58 --- 18 18 11 46.0 169.3 -0.5 -8.0 654 R 1 11672 Schedule for VLBA_NL (Code Nl ) Page 3 Magnetic fields on the proto-stellar and PPNe water masers (W43A) UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 8 Dec 2004 Day 343 --- 19 12 58 W43A 18 18 11 46.0 169.3 -0.5 -8.0 -4 1 2 11672 19 12 58 19 23 56 --- 18 29 11 46.3 173.2 -0.3 -5.1 654 R 1 9478 19 25 56 J1743-0350 18 31 11 43.2 196.2 0.8 12.0 99 1 2 9478 19 25 56 19 34 54 =1741-038 18 40 11 42.6 199.1 0.9 14.2 538 R 1 7684 19 36 54 W43A 18 42 11 46.5 177.9 -0.1 -1.5 100 1 2 7684 19 36 54 19 45 52 --- 18 51 11 46.5 181.2 0.1 0.9 538 R 1 5890 19 45 52 W43A 18 51 11 46.5 181.2 0.1 0.9 -4 1 2 5890 19 45 52 19 56 50 --- 19 02 11 46.4 185.2 0.2 3.9 654 R 1 3696 19 56 50 W43A 19 02 11 46.4 185.2 0.2 3.9 -4 1 2 3696 19 56 50 20 07 49 --- 19 13 11 46.1 189.1 0.4 6.8 654 R 1 1502 20 09 49 J1743-0350 19 15 11 39.9 210.2 1.5 22.1 100 1 1 1502 20 09 49 20 18 47 =1741-038 19 24 11 39.0 212.9 1.7 23.9 538 F 2 292 20 20 47 W43A 19 26 11 45.6 193.7 0.6 10.2 101 1 1 292 20 20 47 20 29 45 --- 19 35 11 45.2 196.9 0.8 12.5 538 F 2 2086 20 29 45 W43A 19 35 11 45.2 196.9 0.8 12.5 -4 1 1 2086 20 29 45 20 40 43 --- 19 46 11 44.5 200.6 1.0 15.3 654 F 2 4280 20 40 43 W43A 19 46 11 44.5 200.6 1.0 15.3 -4 1 1 4280 20 40 43 20 51 41 --- 19 57 11 43.7 204.3 1.2 17.9 654 F 2 6474 20 53 41 J1743-0350 19 59 11 35.0 222.6 2.2 30.4 97 1 1 6474 20 53 41 21 02 40 =1741-038 20 08 11 33.9 224.9 2.4 31.9 538 F 2 8268 21 04 40 W43A 20 10 11 42.7 208.5 1.4 20.9 96 1 1 8268 21 04 40 21 13 38 --- 20 19 11 41.8 211.3 1.5 22.8 538 F 2 10062 21 13 38 W43A 20 19 11 41.8 211.3 1.5 22.8 -4 1 1 10062 21 13 38 21 24 36 --- 20 30 11 40.7 214.7 1.7 25.1 654 F 2 12256 21 24 36 W43A 20 30 11 40.7 214.7 1.7 25.1 -4 1 1 12256 21 24 36 21 35 34 --- 20 41 11 39.5 217.9 1.9 27.3 654 F 2 14450 21 37 34 J1743-0350 20 43 11 28.9 233.4 3.0 36.9 93 1 1 14450 21 37 34 21 46 32 =1741-038 20 52 11 27.6 235.4 3.1 38.0 538 F 2 16244 Schedule for VLBA_NL (Code Nl ) Page 4 Magnetic fields on the proto-stellar and PPNe water masers (W43A) UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Wed 8 Dec 2004 Day 343 --- 21 48 32 W43A 20 54 11 37.9 221.6 2.1 29.7 93 1 2 16244 21 48 32 21 57 31 --- 21 03 11 36.8 224.0 2.3 31.2 538 R 2 17162 21 57 31 W43A 21 03 11 36.8 224.0 2.3 31.2 -4 1 2 17162 21 57 31 22 08 29 --- 21 14 11 35.3 226.9 2.4 33.0 654 R 2 14968 22 08 29 W43A 21 14 11 35.3 226.9 2.4 33.0 -4 1 2 14968 22 08 29 22 19 27 --- 21 25 11 33.8 229.7 2.6 34.7 654 R 2 12774 22 21 27 J1743-0350 21 27 11 22.0 242.8 3.7 41.7 90 1 2 12774 22 21 27 22 30 25 =1741-038 21 36 11 20.5 244.6 3.9 42.5 538 R 2 10980 22 32 25 W43A 21 38 11 31.9 232.8 2.8 36.5 91 1 2 10980 22 32 25 22 41 23 --- 21 47 11 30.6 234.9 3.0 37.6 538 R 2 9186 22 41 23 W43A 21 47 11 30.6 234.9 3.0 37.6 -4 1 2 9186 22 41 23 22 52 22 --- 21 58 11 28.9 237.4 3.2 38.9 654 R 2 6992 22 52 22 W43A 21 58 11 28.9 237.4 3.2 38.9 -4 1 2 6992 22 52 22 23 03 20 --- 22 09 11 27.1 239.8 3.4 40.2 654 R 2 4798 23 05 20 J1743-0350 22 11 11 14.4 251.2 4.4 45.0 89 1 2 4798 23 05 20 23 14 18 =1741-038 22 20 11 12.8 252.8 4.6 45.6 538 R 2 3004 23 16 18 W43A 22 22 11 25.0 242.5 3.6 41.5 90 1 2 3004 23 16 18 23 25 16 --- 22 31 11 23.5 244.4 3.7 42.3 538 R 2 1210 23 25 16 W43A 22 31 11 23.5 244.4 3.7 42.3 -4 1 3 1210 23 25 16 23 36 14 --- 22 42 11 21.6 246.5 3.9 43.2 654 F 1 984 23 36 14 W43A 22 42 11 21.6 246.5 3.9 43.2 -4 1 3 984 23 36 14 23 47 13 --- 22 53 11 19.7 248.7 4.1 44.0 654 F 1 3178 23 49 13 J1743-0350 22 55 11 6.5 258.9 5.2 47.2 88 1 3 3178 23 49 13 23 58 11 =1741-038 23 04 11 4.9 260.4 5.3 47.5 538 F 1 4972 --- Thu 9 Dec 2004 Day 344 --- 00 00 11 W43A 23 06 11 17.4 251.1 4.3 44.9 89 1 3 4972 00 00 11 00 09 09 --- 23 15 11 15.9 252.8 4.5 45.5 538 F 1 6766 00 09 09 W43A 23 15 11 15.9 252.8 4.5 45.5 -4 1 3 6766 00 09 09 00 20 07 --- 23 26 11 13.9 254.8 4.6 46.0 654 F 1 8960 Schedule for VLBA_NL (Code Nl ) Page 5 Magnetic fields on the proto-stellar and PPNe water masers (W43A) UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Thu 9 Dec 2004 Day 344 --- 00 20 07 W43A 23 26 11 13.9 254.8 4.6 46.0 -4 1 3 8960 00 20 07 00 31 05 --- 23 37 11 11.9 256.7 4.8 46.6 654 F 1 11154 00 31 05 W43A 23 37 11 11.9 256.7 4.8 46.6 -4 1 3 11154 00 31 05 00 42 04 --- 23 48 11 9.9 258.6 5.0 47.0 654 F 1 13348 00 42 04 W43A 23 48 11 9.9 258.6 5.0 47.0 -4 1 3 13348 00 42 04 00 53 02 --- 23 59 11 7.9 260.5 5.2 47.4 654 F 1 15542 00 55 02 3C454.3 00 01 11 60.6 214.4 1.1 26.0 8 1 3 15542 00 55 02 01 04 00 --- 00 10 11 59.6 218.2 1.3 28.7 538 F 1 17336 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bv056.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 8 Passes/head pos: 2 Speedup factor: 4.00 Tape speeds: Low density - 66.665 ips, High density - 40.00 ips Time per pass for 17600 ft, High density tapes is: 01:28:00 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 1cm omit 1cm VLBA Synth= 9.1 15.4 12.4 The following frequency sets based on this setup were used. Frequency Set: 1 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22225.39 22225.39 22226.21 22226.21 22238.19 22238.19 22239.00 22239.00 BBC fr= 725.39 725.39 726.21 726.21 738.19 738.19 739.00 739.00 Bandwd= 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_auto SOURCE LIST -- Magnetic fields on the proto-stellar and PPNe water masers (W43A) Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) (B1950) (J2000) (Date) * W43A 18 45 05.364742 * 18 47 41.188000 18 47 54.728203 -01 48 33.06380 *-01 45 11.58000 -01 44 57.61906 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 128.50 128.50 117.50 117.50 -44.00 -44.00 -55.00 -55.00 J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 06.780337 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 58.18099 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. * J1743-0350 17 41 20.616012 * 17 43 58.856136 17 44 12.519835 1741-038 -03 48 48.89988 *-03 50 04.61668 -03 50 17.05548 J1743-03 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 11.579748 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 30.28100 * 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) W43A 32.8 3C345 62.8 J1743-0350 21.3 3C454.3 94.0 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg